WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#58: 
new file mode 100644

WARNING: Improper SPDX comment style for 'tools/testing/selftests/drivers/net/hw/iou-zcrx.c', please use '//' instead
#63: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:1:
+/* SPDX-License-Identifier: GPL-2.0 */

WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#63: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:1:
+/* SPDX-License-Identifier: GPL-2.0 */

ERROR: do not initialise statics to 0
#121: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:59:
+static int cfg_server = 0;

ERROR: do not initialise statics to 0
#122: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:60:
+static int cfg_client = 0;

ERROR: do not initialise statics to NULL
#125: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:63:
+static const char *cfg_ifname = NULL;

WARNING: Prefer __aligned(PAGE_SIZE) over __attribute__((aligned(PAGE_SIZE)))
#131: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:69:
+static char payload[SEND_SIZE] __attribute__((aligned(PAGE_SIZE)));

ERROR: do not initialise statics to NULL
#132: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:70:
+static void *area_ptr = NULL;

ERROR: do not initialise statics to NULL
#133: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:71:
+static void *ring_ptr = NULL;

ERROR: do not initialise statics to 0
#134: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:72:
+static size_t ring_size = 0;

ERROR: do not initialise statics to 0
#137: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:75:
+static int connfd = 0;

ERROR: do not initialise statics to false
#138: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:76:
+static bool stop = false;

ERROR: do not initialise statics to 0
#139: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:77:
+static size_t received = 0;

ERROR: "(foo*)" should be "(foo *)"
#210: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:148:
+	rq_ring.khead = (unsigned int*)((char*)ring_ptr + reg.offsets.head);

ERROR: "(foo*)" should be "(foo *)"
#210: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:148:
+	rq_ring.khead = (unsigned int*)((char*)ring_ptr + reg.offsets.head);

ERROR: "(foo*)" should be "(foo *)"
#211: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:149:
+	rq_ring.ktail = (unsigned int*)((char*)ring_ptr + reg.offsets.tail);

ERROR: "(foo*)" should be "(foo *)"
#211: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:149:
+	rq_ring.ktail = (unsigned int*)((char*)ring_ptr + reg.offsets.tail);

WARNING: line length of 87 exceeds 80 columns
#212: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:150:
+	rq_ring.rqes = (struct io_uring_zcrx_rqe*)((char*)ring_ptr + reg.offsets.rqes);

ERROR: "(foo*)" should be "(foo *)"
#212: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:150:
+	rq_ring.rqes = (struct io_uring_zcrx_rqe*)((char*)ring_ptr + reg.offsets.rqes);

ERROR: "(foo*)" should be "(foo *)"
#212: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:150:
+	rq_ring.rqes = (struct io_uring_zcrx_rqe*)((char*)ring_ptr + reg.offsets.rqes);

WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
#253: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:191:
+	unsigned rq_mask = rq_ring.ring_entries - 1;

ERROR: "foo* bar" should be "foo *bar"
#255: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:193:
+	struct io_uring_zcrx_rqe* rqe;

ERROR: "(foo*)" should be "(foo *)"
#273: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:211:
+	rcqe = (struct io_uring_zcrx_cqe*)(cqe + 1);

ERROR: Bad function definition - void run_server() should probably be void run_server(void)
#312: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:250:
+static void run_server()

ERROR: Bad function definition - void run_client() should probably be void run_client(void)
#355: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:293:
+static void run_client()

WARNING: quoted string split across lines
#386: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:324:
+	error(1, 0, "Usage: %s (-4|-6) (-s|-c) -h<server_ip> -p<port> "
+		    "-l<payload_size> -i<ifname> -q<rxq_id>", filepath);

CHECK: No space is necessary after a cast
#395: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:333:
+	struct sockaddr_in6 *addr6 = (void *) &cfg_addr;

CHECK: No space is necessary after a cast
#396: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:334:
+	struct sockaddr_in *addr4 = (void *) &cfg_addr;

CHECK: Unnecessary parentheses around addr4->sin_addr
#457: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:395:
+		    inet_pton(AF_INET, addr, &(addr4->sin_addr)) != 1)

CHECK: Unnecessary parentheses around addr6->sin6_addr
#467: FILE: tools/testing/selftests/drivers/net/hw/iou-zcrx.c:405:
+		    inet_pton(AF_INET6, addr, &(addr6->sin6_addr)) != 1)

total: 19 errors, 7 warnings, 4 checks, 519 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit c78aca3a48b6 ("io_uring/zcrx: add selftest") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.